Gus

Octavian, more commonly known as Gus, and also known as Gus-Gus, is a character from Cinderella. He is a mouse, who is one of Cinderella's sidekicks, and is best friends with Jaq. He is pretty fat, a little clumsy. Both he and Jaq and the dog Bruno were voiced by James MacDonald in the original film, and Gus was voiced by Corey Burton in the sequels.